• Charlotte Arbelot, Fabio Ferrari, Belaïd Bouhemad, and Jean-Jacques Rouby.
• Surgical Intensive Care Unit, Department of Anesthesiology and Critical Care, Assistance Publique Hôpitaux de Paris, University of Paris-6 Pierre et Marie Curie, Paris, France.
• Curr Opin Crit Care. 2008 Feb 1; 14 (1): 70-4.

Purpose Of ReviewLung ultrasound at the bedside can provide accurate information on lung status in critically ill patients with acute respiratory distress syndrome.Recent FindingsLung ultrasound can replace bedside chest radiography and lung computed tomography for assessment of pleural effusion, pneumothorax, alveolar-interstitial syndrome, lung consolidation, pulmonary abscess and lung recruitment/de-recruitment. It can also accurately determine the type of lung morphology at the bedside (focal or diffuse aeration loss), and therefore it is useful for optimizing positive end-expiratory pressure. The learning curve is brief, so most intensive care physicians will be able to use it after a few weeks of training.SummaryLung ultrasound is noninvasive, easily repeatable and allows assessment of changes in lung aeration induced by the various therapies. It is among the most promising bedside techniques for monitoring patients with acute respiratory distress syndrome.

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